4820-00-586-3920

Find complete technical information, availability, and procurement data for: 4820-00-586-3920
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-586-3920

Item Name Code

22113

Assigment Date

01/01/1963 (63 years ago)

0.469 inches minimum and 0.473 inches maximum taper minor diameter, 0.547 inches minimum and 0.551 inches maximum taper major diameter, 0.934 inches minimum and 0.940 inches maximum flange diameter, 0.316 inches nominal single threaded portion thread length, 2a single threaded portion thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a single threaded portion
Thread Length: 0.316 inches nominal single threaded portion
Flange Diameter: 0.934 inches minimum and 0.940 inches maximum
Taper Minor Diameter: 0.469 inches minimum and 0.473 inches maximum
Taper Major Diameter: 0.547 inches minimum and 0.551 inches maximum
Body Inside Diameter: 0.422 inches minimum and 0.426 inches maximum
Flange Seat To Disk End Height: 0.119 inches minimum and 0.125 inches maximum
Under Flange Height: 0.316 inches nominal
Seat Angle In Deg: 15.000 nominal
Thread Quantity Per Inch: 24 single threaded portion
Nominal Thread Size: 0.766 inches single threaded portion
Seating Surface Shape: angular
Special Features: 1 seat ring
Material: copper alloy overall
Style Designator: threaded flanged
Thread Series Designator: uns single threaded portion

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
C8943-9EPCALLNICU	Valve Seat

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-00-586-3920?

The FSCG of the NSN 4820-00-586-3920 is 4820

Does the NSN 4820-00-586-3920 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-586-3920 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4820-00-586-3920 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-586-3920 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-00-586-3920 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963